| Integral Probability Metrics PAC-Bayes Bounds Ron Amit, Baruch Epstein, Shay Moran | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Integrating E-Commerce and Data Mining: Architecture and Challenges Suhail Ansari, Ron Kohavi, Llew Mason | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Integrating Text Plans for Conciseness and Coherence Terrence Harvey, Sandra Carberry (Department of Computer Science, University of Delaware) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Integration I(d) of Nonstationary Time Series: Stationary and nonstationary increments Joseph L. McCauley, Kevin E. Bassler, Gemunu H. Gunaratne | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Integration of Imitation Learning using GAIL and Reinforcement Learning using Task-achievement Rewards via Probabilistic Graphical Model Akira Kinose, Tadahiro Taniguchi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Integration of Lie bialgebroids Kirill C. H. Mackenzie, Ping Xu | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Intensity process and compensator: A new filtration expansion approach and the Jeulin--Yor theorem Xin Guo, Yan Zeng | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Intentional Walks on Scale Free Small Worlds Amit R Puniyani, Rajan M Lukose, Bernardo A Huberman | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Interactive Chemistry John Moore, Jia Zhou, Etienne Garand | L1–3 Foundational | CC-BY-NC-SA | mirrored | 353 pp. | libretexts |
| Inter-arrival time distribution for the non-homogeneous Poisson process Gleb Yakovlev, John B. Rundle, Robert Shcherbakov | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Interdependencies of female board member appointments Matthias Raddant, Hiroshi Takahashi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Interfacing Constraint-Based Grammars and Generation Algorithms Stephan Busemann | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Intermediate Algebra | L1–2 Foundational | CC-BY | mirrored | 1,359 pp. | openstax |
| Intermediate Algebra 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 1,335 pp. | openstax |
| Intermittency and Localization G. Yaari, D. Stauffer, S. Solomon | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| International evidence on business cycle magnitude dependence Corrado Di Guilmi, Edoardo Gaffeo, Mauro Gallegati | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Internet Packet Filter Management and Rectangle Geometry David Eppstein, S. Muthukrishnan | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Internet topology at the router and autonomous system level A. Vazquez, R. Pastor-Satorras, A. Vespignani | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Interpretable and Scalable Graphical Models for Complex Spatio-temporal Processes Yu Wang | L4–5 Advanced | CC-BY | mirrored | 241 pp. | arxiv |
| Interpretable Stochastic Model Predictive Control using Distributional Reinforced Estimation for Quadrotor Tracking Systems Yanran Wang, James O'Keeffe, Qiuchen Qian | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Interpretation of Metal Fab Drawings Cameren Moran | L1–3 Foundational | CC-BY | mirrored | 68 pp. | libretexts |
| Interpreting Canada's 2019 Food Guide and Food Labelling for Health Professionals Jennifer Lapum et al. | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Intersection Cohomology of Symplectic Quotients Jonathan Woolf | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Intrinsic fluctuations of reinforcement learning promote cooperation Wolfram Barfuss, Janusz Meylahn | L4–5 Advanced | CC-BY-NC-ND | mirrored | 21 pp. | arxiv |
| Intrinsic Gaussian Process on Unknown Manifolds with Probabilistic Metrics Mu Niu, Zhenwen Dai, Pokman Cheung | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Introducción a la estadística | L1–2 Foundational | Licence unknown | link only | — | openstax |
| Introducción a la estadística empresarial | L1–2 Foundational | Licence unknown | link only | — | openstax |
| Introducing causal inference in the energy-efficient building design process Xia Chen, Jimmy Abualdenien, Manav Mahan Singh | L4–5 Advanced | CC-BY-NC-ND | mirrored | 20 pp. | arxiv |
| Introduction to Anthropology | L1–2 Foundational | CC-BY-NC-SA | mirrored | 627 pp. | openstax |
| Introduction to Baking and Pastries Tammy Rink & William R. Thibodeaux | L1–3 Foundational | CC-BY-NC-SA | mirrored | 69 pp. | libretexts |
| Introduction to Behavioral Neuroscience | L1–2 Foundational | CC-BY-NC-SA | mirrored | 913 pp. | openstax |
| Introduction to Business Lumen | L1–3 Foundational | CC-BY-SA | mirrored | 518 pp. | libretexts |
| Introduction to Business | L1–2 Foundational | CC-BY | mirrored | 744 pp. | openstax |
| Introduction to Business 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 663 pp. | openstax |
| Introduction to Computer Applications and Concepts (Lumen) | L1–3 Foundational | CC-BY | mirrored | 325 pp. | libretexts |
| Introduction to Computer Science | L1–2 Foundational | CC-BY-NC-SA | mirrored | 939 pp. | openstax |
| Introduction to Computers in Agriculture (C-ID AG-AB 108 108) Peter Maokosy | L1–3 Foundational | CC-BY-NC-SA | mirrored | 357 pp. | libretexts |
| Introduction to Corrections Dave Wymore & Tabitha Raber | L1–3 Foundational | CC-BY | mirrored | 159 pp. | libretexts |
| Introduction to Criminal Investigation - Processes, Practices and Thinking Rod Gehl, Darryl Plecas | L1–3 Foundational | CC-BY-NC | mirrored | 130 pp. | libretexts |
| Introduction to Drafting and AutoCAD 3D (Baumback) Wally Baumback | L1–3 Foundational | CC-BY | mirrored | 434 pp. | libretexts |
| Introduction to Drafting and Autodesk Inventor Wally Baumback | L1–3 Foundational | CC-BY | mirrored | 423 pp. | libretexts |
| Introduction to Health | L1–3 Foundational | CC-BY | link only | — | libretexts |
| Introduction to Health 2e Kelly Falcone | L1–3 Foundational | CC-BY-SA | mirrored | 352 pp. | libretexts |
| Introduction to Intellectual Property | L1–2 Foundational | CC-BY | mirrored | 201 pp. | openstax |
| Introduction to Kinesiology Weston Titus | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Introduction to Modern Canonical Quantum General Relativity Thomas Thiemann | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Introduction to Nutrition Ann Diker | L1–3 Foundational | CC-BY-NC-SA | mirrored | 294 pp. | libretexts |
| Introduction to Nutrition Science Bisson et. al | L1–3 Foundational | CC-BY-NC-SA | mirrored | 573 pp. | libretexts |
| Introduction to Nutrition Science | L1–3 Foundational | CC-BY-NC-SA | mirrored | 531 pp. | libretexts |
| Introduction to Philosophy | L1–2 Foundational | CC-BY-NC-SA | mirrored | 421 pp. | openstax |